package com.yj.bj.util;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

public class RedisUtils {

    //Redis服务器IP
    //阿里
    private static String ADDR = "r-m5e75418c67914c4108.redis.rds.aliyuncs.com";
    //支付系统
    //private static String ADDR = "47.104.22.226";

    //Redis的端口号
    private static int PORT = 6379;

    //访问密码,若你的redis服务器没有设置密码，就不需要用密码去连接
    //阿里
    private static String AUTH = "Asja603494853";
    //支付系统
    //private static String AUTH = "123456";

    //可用连接实例的最大数目，默认值为8；
    private static int MAX_TOTAL = 512;

    //控制一个pool最多有多少个状态为idle(空闲的)的jedis实例，默认值也是8。
    private static int MAX_IDLE = 100;

    //等待可用连接的最大时间，单位毫秒，默认值为-1，表示永不超时。
    private static int MAX_WAIT = 10000;

    private static int TIMEOUT = 10000;

    //在borrow一个jedis实例时，是否提前进行validate操作；如果为true，则得到的jedis实例均是可用的；
    private static boolean TEST_ON_BORROW = true;

    private static JedisPool jedisPool = null;

    /**
     * 初始化Redis连接池
     */
    static {
        try {
            JedisPoolConfig config = new JedisPoolConfig();
            config.setMaxTotal(MAX_TOTAL);
            config.setMaxIdle(MAX_IDLE);
            config.setMaxWaitMillis(MAX_WAIT);
            config.setTestOnBorrow(TEST_ON_BORROW);
            jedisPool = new JedisPool(config, ADDR, PORT, TIMEOUT, AUTH);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 获取Jedis实例
     * @return
     */
    public synchronized static Jedis getJedis() {
        try {
            if (jedisPool != null) {
                Jedis jedis = jedisPool.getResource();
                return jedis;
            } else {
                return null;
            }
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 释放jedis资源
     * @param jedis
     */
    public static void returnResource(final Jedis jedis) {
        if (jedis != null) {
            jedisPool.returnResource(jedis);
        }
    }
    public  static  void main(String[] args) {
        Jedis jedis= RedisUtils.getJedis();
        jedis.set("1", "123");
        //jedis.del("tokenId");
        System.out.println(jedis.get("1"));
        System.out.println(jedis.exists("1"));
    }
}